128567612

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{389}}^1\times {\mathrm{1559}}^1$

素因数の和:2005

約数の個数: 24

約数和(自身を含む): 229975200

約数和(自身を除く): 101407588

約数列:

[1, 2, 4, 53, 106, 212, 389, 778, 1556, 1559, 3118, 6236, 20617, 41234, 82468, 82627, 165254, 330508, 606451, 1212902, 2425804, 32141903, 64283806, 128567612]

約数ペア:

[(1, 128567612), (2, 64283806), (4, 32141903), (53, 2425804), (106, 1212902), (212, 606451), (389, 330508), (778, 165254), (1556, 82627), (1559, 82468), (3118, 41234), (6236, 20617)]